-83.12% is the change from 841 to 142
Calculation steps:
[( 142 - 841 ) ÷ 841] x 100 = -83.12%
Formula
Percentage change = [(142 - 841) / 841] x 100
Subtract the new number by the original number
142 - 841 = -699
-699 ÷ 841 = -0.83115338882283
-0.83115338882283 x 100 = -83.12%